package demo1;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Test {
    public static final String SUITS[] = {"♥","♣","♦","♠"};//由于花色是固定的，用static final 修饰
    public static List<Card> buyCard(){
        List<Card> cards = new ArrayList<>();

        for (int i = 0; i < SUITS.length; i++) {
            for (int j = 1; j < 14; j++) {
                Card card = new Card(SUITS[i],j);
                cards.add(card);


            }
        }
        return  cards;

    }
    public static void shufle(List<Card> cards){
        Random random = new Random();
        for (int i = cards.size() - 1;i > 0;i--){
            int j = random.nextInt(i);
            Card tmp = cards.get(j);
            cards.set(j,cards.get(i));
            cards.set(i, tmp);

        }

    }
    public static void main(String[] args) {
        List<Card> card = buyCard();
        System.out.println(card);
        System.out.println("洗牌;");
        shufle(card);
        System.out.println(card);
        System.out.println("揭牌：");
        List<Card> hand1 = new ArrayList<>();
        List<Card> hand2 = new ArrayList<>();
        List<Card> hand3 = new ArrayList<>();
        List<List<Card>> hand = new ArrayList<>();
        hand.add(hand1);
        hand.add(hand2);
        hand.add(hand3);
        //每个人揭牌5张
        for (int i = 0; i < 6; i++) {
            for (int j = 0; j < 3; j++) {
                card.remove(0);
                hand.get(j).add(card.remove(0));
            }
        }

        System.out.println("第一个人的牌：");
        System.out.println(hand1);
        System.out.println("第二个人的牌：");
        System.out.println(hand2);
        System.out.println("第三个人的牌：");
        System.out.println(hand3);
        System.out.println(hand);


    }
}
